DEF nozzle swivel breakaway combo for use with Gilbarco Advantage dispensers which use breitish threads. Replaces 21GU-040G DEF Nozzle and swivel BLUE StreamShaper reduces turbulence for straighter fuel flow and less splash back spillage. Less expensive than comparable nozzles. Nozzle shuts off when the DEF tank is full. Stainless steel spout for durability. Flow characteristics of nozzle reduces crystallization of DEF. With swivel: Single Plane 360°Rotation Unique to Husky products, the steel ball bearing design provides easier joint movement during high pressure applications. Safe-T-Break is service reconnectable Check valve to stop flow of fuel on hose side Check valve O-ring to ensure reliable fuel shut-off Separates between 180 lbs. and 337 lbs. Separates at angles up to 90° Compact and easy to handle